E-Flora BC: Electronic Atlas of the Flora of British Columbia

Navarretia squarrosa (Eschsch.) Hook. & Arn.
skunkweed (skunkbush)
Polemoniaceae (Phlox family)

Introduction to Vascular Plants

© David Badke  Email the photographer   (Photo ID #74735)

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Distribution of Navarretia squarrosa
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Species Information

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Annual skunky-smelling herb from a taproot; stems erect, simple to moderately branched, glandular-hairy, 10-40 cm tall.
Alternate, 2-6 cm long, firm, spiny, 1 to 2 times pinnately cleft, the axis and segments linear, the terminal segment not elongate.
Inflorescences dense, leafy-bracted heads, to 3 cm thick, of several to many unstalked flowers, terminating the stem and branches; corollas pale to deep blue, 9-12 mm long, the tube spreading to five 2-3 mm long, oblong lobes with 3 veins; stamens included within the corolla tube; calyces 8-14 mm long, sparsely glandular-hairy, the more or less equal teeth lanceolate, pointy-tipped.
Capsules, oblong-ellipsoid, 3-chambered; seeds 6 to 9 per chamber, becoming sticky when moistened.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic meadows and open grassy areas in the lowland zone; locally frequent on SE Vancouver Island and the Gulf Islands, rare around Vancouver, where possibly introduced; S to CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Navarretia squarrosa

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 731 731 731
Slope Gradient (%) 23 23 23
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
200 200 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 2
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: SBS(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Gilia squarrosa (Eschsch.) Hook. & Arn.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References